We can only process 1 box of clay per order for shipping in a USPS Large Flat Rate Box. If you would like to purchase more than 1 box of clay to ship small package, please place multiple orders.
English grolleg porcelain for cone 5/6. Great for throwing.
Avg. Shrinkage ±2%: 13.5%
Avg. Water Absorption ±1%: .6%